Current Electricity Charging Discharging Of Capacitors Question 356
Question: Two wires of the same material are given. The first wire is twice as long as the second and has twice the diameter of the second. The resistance of the first will be
[MP PMT 1993]
Options:
A) Twice of the second
B) Half of the second
C) Equal to the second
D) Four times of the second
Show Answer
Answer:
Correct Answer: B
Solution:
By $ R=\rho l/A $
BETA
